package old.apiday04;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class SortListDemo3 {
    public static void main(String[] args) {
        List<Point>list=new ArrayList<>();
        list.add(new Point(1,3));
        list.add(new Point(5,8));
        list.add(new Point(9,11));
        list.add(new Point(25,36));
        list.add(new Point(66,99));
        Collections.sort(list, new Comparator<Point>() {
            @Override
            public int compare(Point o1, Point o2) {
                return o1.getX()-o2.getX();
            }
        });
        System.out.println(list);
        list.sort(new Comparator<Point>() {
            @Override
            public int compare(Point o1, Point o2) {
                int len1=o1.getX()*o1.getX()+o1.getY()*o1.getY();
                int len2=o2.getX()*o2.getX()+o2.getY()*o2.getY();
                return len1-len2;
            }
        });
        System.out.println(list);

    }
}
